public CourseController(ICourseService courseService, UserManager <ApplicationUser> userManger, IUserService userService, ISceneService sceneService, ICourseUserRelationService courseUserRelationService)
 {
     _userManager               = userManger;
     _userService               = userService;
     _courseService             = courseService;
     _courseUserRelationService = courseUserRelationService;
 }
 public HomeController(ISceneService sceneService, SignInManager <ApplicationUser> signInManager, UserManager <ApplicationUser> userManager, ILogger <LoginModel> logger, ICourseService courseService, IUserService userService, IVRBackgroundService VRBackgroundService, ICourseUserRelationService courseUserRelationService)
 {
     _logger                    = logger;
     _signInManager             = signInManager;
     _userManager               = userManager;
     _courseService             = courseService;
     _userService               = userService;
     _VRBackgroundService       = VRBackgroundService;
     _courseUserRelationService = courseUserRelationService;
     _sceneService              = sceneService;
 }